[amsat-bb] Re: Fox and ISS Ham-TV

Jim Jerzycke kq6ea at verizon.net
Wed May 15 18:24:40 PDT 2013


And IIRC, the downconversion is handled by the LNB (Low Noise Block 
Downconverter) mounted at the feedpoint of the dish.

Jim  KQ6EA


On 05/16/2013 01:03 AM, Stefan Wagener wrote:
> Don't think so.
>
> Most DVB-S receivers require input of 900 to 1600+ MHz or something like
> that.
>
>
> On Wed, May 15, 2013 at 7:43 PM, Bob- W7LRD <w7lrd at comcast.net> wrote:
>
>> Would the "K5GNA" Transystem downconverters work, the ones left over from
>> AO-40 (sobsob)?  Still have the L & S band stuff in moth balls, just
>> waiting, waiting & waiting.
>> 73 Bob W7LRD
>>
>> ------------------------------
>> *From: *"Stefan Wagener" <wageners at gmail.com>
>> *To: *les at highnoonfilm.com
>> *Cc: *"AMSAT BB" <amsat-bb at amsat.org>
>> *Sent: *Wednesday, May 15, 2013 5:26:49 PM
>> *Subject: *[amsat-bb] Re: Fox and ISS Ham-TV
>>
>>
>> Hi Les and all,
>>
>> I would not jump into any kind of advanced purchase or antenna assembly etc
>> on the ISS TV program at this point.
>>
>> 1. It will take considerable time to get the equipment up, installed,
>> tested, verified etc.
>> 2. If the primary use is for ISS school contacts, you are limited to
>> scheduling, ISS visibility at your location etc.
>> 3. Downconverter options are very limited right now since they have to
>> match the DVB-S receiver input frequency.
>> 4. Limited choice of 1m+ dishes with LHCP antenna feeds tuned to the
>> proposed ISS frequencies.
>>
>> All of this will change over time once more information becomes available
>> and folks/vendors are starting to look into this and more products/tools
>> become available. Also, there might be a more permanent feed of video not
>> just limited to school contacts. We will see.
>>
>> Will be very interesting to see/hear what info is made available during the
>> Dayton AMSAT forum by Frank Bauer on ARISS.
>>
>> 73, Stefan, VE4NSA
>>
>>
>>
>> On Wed, May 15, 2013 at 5:09 PM, Les Rayburn <les at highnoonfilm.com> wrote:
>>
>>> First of all congratulations to the entire Fox team. I know that everyone
>>> is excited about the possibility of another FM bird in the near future.
>>>
>>> As for Ham-TV, I agree that more information about the ground station
>>> requirements would be most welcome. I just managed to win a TechnoTrend
>>> S2-1600
>>> HDTV satellite PCI Card on ebay ($60 bucks with shipping) so I hope this
>>> is a good start on a complete station.
>>>
>>> The next hurdle for me will be assembling a workable antenna and I assume
>>> an AZ/EL rotor with automatic tracking? It does seem like information is
>>> incomplete
>>> considering how close to the go live date we are. I know that this type
>> of
>>> digital TV is in wide use in Europe, so maybe some of these folks can
>> lend
>>> the yanks
>>> a hand?
>>> --
>>> --
>>> 73,
>>>
>>> Les Rayburn, N1LF
>>> 121 Mayfair Park
>>> Maylene, AL 35114
>>> EM63nf
>>>
>>> 6M VUCC #1712
>>> AMSAT #38965
>>> Grid Bandits #222
>>> Southeastern VHF Society
>>> Central States VHF Society Life Member
>>> Six Club #2484
>>>
>>> Active on 6 Meters thru 1296, 10GHz & Light
>>>
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